Hydraulic Excavator: Class and Performance (2024)

FAQs

What is the difference between Cat 313 and 313gc? ›

The 313 GC is standard equipped with the Cat comfort cab, while the 313 offers the choice of comfort, deluxe, and premium cab options.

The Cat 315 excavator offers superior performance in a compact design. Standard, easy-to-use Cat technologies boost... The Cat 317 GC Excavator offers job-matched performance and world-class versatility. A large working envelope and expanded work tool...

These categories are determined by operating weight, which is generally a good indication of the power and capability of the machine. Small models range from 10 to 25 tons, medium from 25 to 50 tons, and large models exceed 50 tons lbs. There are also a select few that exceed 500 tons.

“Tier 4” is the grade of the EPA's new emissions standards that all newly heavy equipment diesel engines must meet . From agriculture to construction to mining, new equipment must control its emissions through new technology. Of course, meeting this new regulation can be expensive for heavy equipment manufacturers.

The more expensive hydraulic machine is worth the money; it just depends if you'll actually use it enough to warrant one. The cheaper mechanical option can definitely get the job done with a lower entry cost – especially if you have a skilled operator – but it does lack precision and ease of use.

Brian Stellbrink, Caterpillar product application specialist, says the 313F L GC is a "support machine" with a simpler layout that offers reliability at a low cost per hour and a 1- to 2-gallon-per-hour fuel-burn rate, enabling the company to go after a wider range of customer applications outside of high-production ...

For Caterpillar excavator models, such as 320D,

3 stands for excavator (product type), 20 stands for 20ton (tonnage), D represents D series, D is newer machine compare with B,C. If L is after series letter, example CAT320DL, L stands for long truck excavator. Product.

The Cat® 320 GC excavator balances productivity with easy-to-use technology features, a comfortable cab, reduced fuel consumption by up to 20%, and longer maintenance intervals reducing maintenance costs by up to 25% to bring you a durable, low-cost-per-hour excavator for light- to medium-duty applications.

The Caterpillar 325 crawler excavator is a compact-radius model with an operating weight of 49,604 pounds with 24-inch grouser shoes (63,493 pounds with 31-inch shoes). A 172-horsepower Cat C4. 4 engine reduces fuel consumption in the Caterpillar 325 excavator by 25 percent compared to the F Series version.

What is the most reliable excavator? ›

On average, a well-maintained excavator with no damage will last you somewhere between 7,000 and 10,000 hours. Of course, the lifetime hours will differ from one brand to the next – but it gives you a good ballpark figure to work with.

Cat Grade Assist for excavators automates boom and stick movements for more accurate cuts with less effort. Grade Assist uses machine position sensors and operator defined depth and slope parameters to activate single-lever digging.

P-tier Excavators

With grease points at the arm-tip for accessible greasing, extended uptime and torque retention at the clamp, which reduces the likelihood of the front hydraulic pipes moving, the new P-Tier models were designed to provide performance and serviceability.

The Sizes of Mini Excavators

The distinguishing factor between these three categories is the operating weight of the machine with small models ranging from 2,000-10,000 lbs, medium from 10,000-20,000 lbs, and large models exceeding 20,000 lbs.

There are two distinct classes of compact excavators, conventional tail swing - units that have a rear counterweight that will extend beyond the tracks when the house rotates, and zero-tail swing - units with a house whose diameter stays within the width of the tracks through full rotation.